| Base of computer operations | 27 |
| Base of decimal system | 22 |
| Base of el sistema binario | 26 |
| Base of many gravies | 20 |
| Base of many pasta sauces | 25 |
| Base of operations | 18 |
| Base of poi | 11 |
| Base of printing inks | 21 |
| Base of some ethanol | 20 |
| Base of some paints | 19 |
| Base of some pies | 17 |
| Base of some salads | 19 |
| Base of some springs | 20 |
| Base of some taxes | 18 |
| Base of support | 15 |
| Base of the Babylonian number system | 36 |
| Base of the old food pyramid | 28 |
| Base off the coast of Brest for France's nuclear submarines | 63 |
| Base on balls | 13 |
| Base on balls, in baseball lingo | 32 |
| Base on ___ (walk) | 18 |
| Base or hospital areas | 22 |
| Base or treble | 14 |
| Base pair's place | 21 |
| Base path? | 10 |
| Base pay | 8 |
| Base pay recipient?: Abbr. | 26 |
| Base person | 11 |
| Base person? | 12 |
| Base place | 10 |
| Base player? | 12 |
| Base protector | 14 |
| Base qualities | 14 |
| Base reply | 10 |
| Base residents? | 15 |
| Base runner's achievement | 29 |
| Base runner's attempt | 25 |
| Base runner's delight | 25 |
| Base runner's destination | 29 |
| Base runner's goal | 22 |
| Base runner's lot, sometimes | 32 |
| Base runner's misfortune | 28 |
| Base runner's option | 24 |
| Base runner's ploy | 22 |
| Base runner's shining moment? (1949) | 40 |
| Base runner's stats | 23 |
| Base runner, at times | 21 |
| Base runner? | 12 |
| Base runners, at times | 22 |
| Base runners? | 13 |
| Base runners?: Abbr. | 20 |
| Base running strategy with two runners on | 41 |
| Base security | 13 |
| Base shade? | 11 |
| Base south of Baltimore | 23 |
| Base stealer Brock | 18 |
| Base stealer Lou | 16 |
| Base stealer's tactic | 25 |
| Base stealer, usually | 21 |
| Base stealers, often | 20 |
| Base stores, in brief | 21 |
| Base times half the height, for triangles | 41 |
| Base times height | 17 |
| Base times height halved, for a triangle | 40 |
| Base times height, for a parallelogram | 38 |
| Base times height, for a rectangle | 34 |
| Base to build on | 16 |
| Base topper | 11 |
| Base transportation | 19 |
| Base truant | 11 |
| Base tune | 9 |
| Base unit | 9 |
| Base V.I.P. | 11 |
| Base V.I.P.'s | 17 |
| Base vehicle | 12 |
| Base wear? | 10 |
| Base word | 9 |
| Base x height, for a parallelogram | 34 |
| Base youngster | 14 |
| Base ___ | 8 |
| Base's counterpart | 22 |
| Base's opposite | 19 |
| Base, chemically speaking | 25 |
| Base, e.g. | 10 |
| Base, in linguistics | 20 |
| Base-clearer | 12 |
| Base-clearing hit | 17 |
| Base-eight | 10 |
| Base-eight system | 17 |
| Base-hit | 8 |
| Base-runner's concern | 25 |
| Base-runner's destination | 29 |
| Base-runner's goal | 22 |
| Base-runner's ploy | 22 |
| Base-running maneuver | 21 |
| Base-running strategy with two runners on | 41 |
| Base-running term | 17 |
| Base-stealer Lou | 16 |
| Base-stealer's hope | 23 |
| Base-stealer's maneuver | 27 |